【Sturdy Materials】 High carbon hardened steel and standard stainless steel are used according to the specific tool design. Sturdy rubber and plastic that do not damage the surface of the car, are extremely sturdy and last a long time. 【Save Time and Money】 The gear puller with single arch bridge is ergonomic and based on the principle of leverage. A concave bridge with a single arch bridge adjusts the distance and rotates the knob to better fit the dent. Efficient and economical. 【Equivalent to multiple dents】 The hammer tool contains two types of plastic sheets. A total of 18 professional dents can repair a variety of dents. The dent can also be adjusted according to the size of the box. (We offer free hot glue sticks). 【Extended use】It is suitable for dents, car scraper repair, hail damage and other dents. Take effective measures in cars, refrigerators, washing machines and other metal scraps. Note: The data are all measured manually, please allow 1-3cm error due to different light